Blob of foam oozes into streets of California

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A malfunction at the Signature Flight Support hangar caused fire retarding foam to spill on to the near by streets.

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A fire suppression system goes awry at a San Jose airport hangar

The result: A sea of white foam that could not be contained

(CNN)In a scene reminiscent of a laundry-gone-wrong episode of a classic TV sitcom, a giant -- really, really giant -- blob of foam filled a 60-foot-high airport hangar before spilling into nearby streets at San Jose International Airport in Santa Clara, California.

Thousands of gallons of fire retardant were emitted Friday in a malfunction of a fire suppression system at the private hangar, officials said.

The retardant went on its bubbly rampage at about 11 a.m. (2 p.m. ET), said Patrick Sniffen, vice president of marketing for Signature Flight Support, which operates the building.

"Something triggered the (fire alarm) system to go off," said Capt. Mitch Matlow of the San Jose Fire Department, which responded to the scene. "As far as I know, there never was a fire, there never was a fuel leak. But no one can go inside the building (to investigate) because the foam is still inside the building."

The foam-filled facility is on the opposite side of the airport from the terminals, airport spokeswoman Rosemary Barnes said, "so there is no impact to flight operations."

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That's not snow: Firefighters say malfunction at new @FlySJC hangar led to flame retardant foam flooding the street and swallowing up cars. pic.twitter.com/EL6dKaeOsA

Having filled the hangar, the foam burst through doors, windows and air vents, said Matlow. The massive white blob overtook streets, swallowed up vehicles and blocked traffic.

"It looked like snow, but as you got closer, it looked like a bubble bath gone terribly wrong," witness Sabrina Lochner told CNN. She posed for a photo in front of the blob, which, even at its edge, was several feet high.

Firefighting foam released from back of @FlySJC hangar is blowing around in the wind. It looks like soap, but I wouldn't advise touching it. pic.twitter.com/fDI3j0gmP7

Crews blocked off storm drains to prevent the foam from spilling into nearby creeks, Matlow said. They will also collect the water they use to dilute the foam and rinse the streets so it won't contaminate anything else.

In the meantime, fire officials are warning people to avoid touching the foam, as it could cause irritation.

The warning didn't reach all passersby in time.

"When I first got here this afternoon there were people playing in the foam, I told them to get out of it and go shower," said Matlow.

Blake Harrington just took the ride of his life -- through a street full of firefighting foam. It's non-toxic, but could be a skin irritant. pic.twitter.com/iytIb0u56y